Which drug works by encouraging neurotransmitter release from the presynaptic cell?
a. caffeine
b. alcohol
c. cocaine
d. depression medication
e. heroin
b
Biology & Microbiology
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During an action potential, the membrane potential can reach as high as ____
a. -10 mV b. 0 mV c. +10 mV d. +20 mV e. +30 mV
Biology & Microbiology
What is the term for organisms in which internally-fertilized eggs are laid to develop and hatch outside the mother's body?
A. placental B. viviparous C. oviparous D. marsupial E. ovoviviparous
Biology & Microbiology
Fungi are at least ________ million years old.
A. 400 B. 1 C. 50 D. 100 E. 25
Biology & Microbiology
The chemical 5-bromouracil mimics the chemical structure of thymine, making it a(n) (analog/nucleotide/precursor) of thymine.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology